CN214043149U

CN214043149U - Wear-resistant electric wire

Info

Publication number: CN214043149U
Application number: CN202022929651.2U
Authority: CN
Inventors: 廖翌朝
Original assignee: Sichuan Yida Wire And Cable Co ltd
Current assignee: Sichuan Yida Wire And Cable Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-24
Anticipated expiration: 2030-12-09

Abstract

The utility model relates to the technical field of wire and cable, a stand wear and tear electric wire is disclosed, including the overcoat, the filling of overcoat inner wall fixedly connected with stretching wire rope, the stretching wire rope fills inner wall fixedly connected with heat dissipation layer, the inside fixedly connected with mount in heat dissipation layer, it has the insulating layer to fill between mount and the heat dissipation layer, the inside fixedly connected with copper conductor of mount, copper conductor outer wall is provided with the shielding layer, the overcoat still includes outer contact layer, wearing layer and fire-retardant layer. The utility model discloses in, the overcoat still includes outer contact layer, wearing layer and fire-retardant layer, and outer contact layer is formed for PVC resin and the mixture of compound wear-resisting smoothing agent, has good wearability, can resist oil, acid, alkali, fungus, moisture and sunlight and shine etc to there is the performance of doing from going out to the effect of flame, and the minimum operating temperature of polyvinyl chloride sheath is 105 degrees centigrade below zero, and high temperature resistant can reach the degree centigrade, can carry out abundant protection to the electric wire.

Description

Wear-resistant electric wire

Technical Field

The utility model belongs to the technical field of wire and cable, specifically speaking relates to a stand wear and tear electric wire.

Background

The electric wire refers to a wire for transmitting electric energy. The bare wires, the electromagnetic wires and the insulated wires. The bare wires have no insulating layer and comprise copper, aluminum flat wires, overhead stranded wires and various profiles (such as molded lines, buses, copper bars, aluminum bars and the like). It is mainly used for outdoor overhead and indoor bus bars and switch boxes. Magnet wires are insulated wires that, when energized, produce a magnetic field or induce a current in a magnetic field. It is mainly used for motor and transformer coils and other relevant electromagnetic equipment. The conductor is mainly a copper wire, and has a thin insulating layer, good electrical and mechanical properties, heat resistance, moisture resistance, solvent resistance and the like. Different insulating materials are selected to obtain different characteristics;

at present, low-voltage electric wire products used in China, particularly electric wires for buildings, are mostly polyvinyl chloride insulated electric wires and halogen-free low-smoke flame-retardant polyolefin electric wires, the polyvinyl chloride insulated electric wires have been used for decades, but the polyvinyl chloride insulated electric wires are poor in environmental protection, generate toxic and harmful gas during combustion, can generate secondary harm, do not accord with the development trend of environmental protection, and are limited in use in public places.

In view of this, the present invention is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves lies in overcoming prior art not enough, provides a stand wear and tear electric wire, for solving above-mentioned technical problem, the utility model discloses a technical scheme's basic concept is:

the utility model provides a stand wear and tear electric wire, includes the protective sheath, protective sheath inner wall fixedly connected with stretch-proofing rope fills, stretch-proofing rope fills inner wall fixedly connected with heat dissipation layer, the inside fixedly connected with mount in heat dissipation layer, it has the insulating layer to fill between mount and the heat dissipation layer, the inside fixedly connected with copper conductor of mount, copper conductor outer wall is provided with the shielding layer, the protective sheath still includes outer contact layer, wearing layer and fire-retardant layer.

In a preferred embodiment, the outer contact layer is located on the outermost layer of the protective outer sleeve, the wear-resistant layer is located on the inner side of the outer contact layer, and the flame-retardant layer is located on the inner side of the wear-resistant layer.

In a preferred embodiment, a plurality of notches matched with the copper conductors are formed in the fixing frame, the positions of the copper conductors are fixed, and when one copper conductor in the electric wire is damaged, the damaged conductor can be found quickly, so that the electric wire is convenient to replace.

In a preferred embodiment, the outer contact layer is formed by mixing PVC resin and a composite wear-resistant smoothing agent, has good wear resistance, can resist oil, acid, alkali, bacteria, moisture, sunlight irradiation and the like, has self-extinguishing performance on the action of flame, has the lowest working temperature of minus 105 ℃, can resist high temperature and reach the temperature, and can fully protect the electric wire.

In a preferred embodiment, the wear-resistant layer is a thermoplastic polyester elastomer block copolymer, has high modulus, high tear resistance, high wear resistance and high elasticity, and plays a role in protecting the electric wire.

In a preferred embodiment, the flame-retardant layer is flame-retardant polyolefin, so that the electric wire is prevented from burning due to short circuit, and secondary damage is avoided.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.

The utility model discloses, the overcoat still includes the outer layer that contacts, wearing layer and fire-retardant layer, the outer layer that contacts forms for PVC resin and the mixture of compound wear-resisting smoothing agent, good wearability has, can resist oil, sour, alkali, fungus, moisture and sunlight shine etc, and there is the performance of doing from going out to the effect of flame, the minimum operating temperature of polyvinyl chloride sheath is 105 degrees centigrade below zero, high temperature resistant can reach the degree centigrade, can carry out abundant protection to the electric wire, the wearing layer is thermoplastic polyester elastomer block copolymer, possess the high modulus, highly resist and tear, high abrasion, high elasticity, the effect of protecting the electric wire has been played, fire-retardant layer is fire-retardant polyolefin, prevent that the circuit short circuit from leading to the electric wire burning, avoid secondary harm.

The utility model discloses, the inside fixed connection mount in heat dissipation layer, the inside notch of seting up a plurality of and copper conductor looks adaptation of mount fixes copper conductor position, when certain copper conductor in the electric wire damaged, can discover the conductor of damage fast to be convenient for change.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic structural view of a wear-resistant electric wire according to the present invention;

fig. 2 is a cross-sectional view of a wear-resistant electric wire according to the present invention;

fig. 3 is a cross-sectional view of the protective sheath of the wear-resistant electric wire of the present invention.

In the figure: 1-protective outer sleeve; 2-filling tensile ropes; 3-a heat dissipation layer; 4-a fixing frame; 5-an insulating layer; 6-copper conductor; 7-a shielding layer; 8-an outer contact layer; 9-a wear resistant layer; 10-flame retardant layer.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

As shown in fig. 1 to 3, a wear-resistant electric wire comprises a protective outer sleeve 1, an inner wall of the protective outer sleeve 1 is fixedly connected with a tensile cord filling 2, an inner wall of the tensile cord filling 2 is fixedly connected with a heat dissipation layer 3, a fixing frame 4 is fixedly connected inside the heat dissipation layer 3, a plurality of notches matched with copper conductors 6 are formed inside the fixing frame 4, the copper conductors 6 are fixed, when one copper conductor in the electric wire is damaged, the damaged conductor can be quickly found, so that the electric wire is convenient to replace, an insulation layer 5 is filled between the fixing frame 4 and the heat dissipation layer 3, the copper conductors 6 are fixedly connected inside the fixing frame 4, a shielding layer 7 is arranged on the outer wall of the copper conductors 6, the protective outer sleeve 1 further comprises an outer contact layer 8, a wear-resistant layer 9 and a flame-retardant layer 10, the outer contact layer 8 is positioned on the outmost layer of the protective outer sleeve 1, the wear-resistant layer 9 is positioned on the inner side of the outer contact layer 8, the flame-retardant layer 10 is positioned on the inner side of the wear-resistant layer 9, the outer contact layer 8 is formed by mixing PVC resin and a composite wear-resistant smoothing agent, and has good wear resistance, can resist oil, acid, alkali, bacteria, moisture, sunlight irradiation and the like, and has self-extinguishing performance to the effect of flame, the minimum operating temperature of a polyvinyl chloride sheath is minus 40 ℃, high temperature resistance can reach 105 ℃, can fully protect the electric wire, the wear-resistant layer 9 is a thermoplastic polyester elastomer block copolymer, and the flame-retardant layer 10 is flame-retardant polyolefin, and prevents the electric wire from burning caused by circuit short circuit, thereby avoiding secondary harm.

The utility model discloses in the stand wear and tear electric wire, protective sheath 1 still includes outer contact layer 8, wearing layer 9 and fire-retardant layer 10, outer contact layer 8 is that PVC resin and compound wear-resisting smoothing agent mix to form, have good wearability, can resist oil, acid, alkali, fungus, moisture and sunlight shine etc., and have from the performance of going out to the effect of flame, the minimum operating temperature of polyvinyl chloride sheath is 40 degrees centigrade below zero, high temperature resistant can reach 105 degrees centigrade, can carry out abundant protection to the electric wire, wearing layer 9 is thermoplastic polyester elastomer block copolymer, possess the high modulus, high tear resistance, high wear resistance, high elasticity, the effect of protecting the electric wire has been played, fire-retardant layer 10 is fire-retardant polyolefin, prevent that the circuit short circuit from leading to the electric wire burning, avoid secondary harm;

the utility model discloses in the stand wear and tear electric wire, the inside fixed connection mount 4 in heat dissipation layer 3, the notch of a plurality of and 6 looks adaptations of copper conductor is seted up to mount 4 inside, fixes 6 positions of copper conductor, when a certain copper conductor in the electric wire damages, can discover the conductor of damage fast to be convenient for change.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. The utility model provides a stand wear and tear electric wire, includes protective sheath (1), its characterized in that, protective sheath (1) inner wall fixedly connected with stretching resistance rope fills (2), stretching resistance rope fills (2) inner wall fixedly connected with heat dissipation layer (3), the inside fixedly connected with mount (4) of heat dissipation layer (3), it has insulating layer (5) to fill between mount (4) and heat dissipation layer (3), the inside fixedly connected with copper conductor (6) of mount (4), copper conductor (6) outer wall is provided with shielding layer (7), protective sheath (1) still includes outer contact layer (8), wearing layer (9) and fire-retardant layer (10).

2. A wear-resistant electric wire as claimed in claim 1, wherein the outer contact layer (8) is located on the outermost layer of the protective sheath (1), the wear-resistant layer (9) is located on the inside of the outer contact layer (8), and the flame-retardant layer (10) is located on the inside of the wear-resistant layer (9).

3. A wear-resistant electric wire as claimed in claim 1, characterized in that the holder (4) has a plurality of notches formed therein for accommodating the copper conductors (6).

4. A wear-resistant electric wire as claimed in claim 1, characterized in that said wear-resistant layer (9) is a thermoplastic polyester elastomer block copolymer.

5. A wear-resistant electric wire as claimed in claim 1, characterized in that said flame-retardant layer (10) is a flame-retardant polyolefin.